{"id":"CVE-2023-4883","aliases":["EUVD-2023-54722","GHSA-2cqc-g5jj-27mw"],"status":"published","title":"Multiple vulnerabilities in Open5GS","description":"Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an attacker to interrupt the correct operation of the service by sending a specially crafted json string to the VNF (Virtual Network Function), and triggering the ogs_sbi_message_free function, which could cause a service outage.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00616,"percentile":0.49859,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-763"],"published":"2023-10-03T14:42:39Z","modified":"2026-06-17T06:38:49Z","products":[{"vendor":"open5gs","product":"open5gs"}],"references":[{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-open5gs","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4883"},{"url":"https://github.com/advisories/GHSA-2cqc-g5jj-27mw"}],"sources":{"cve":[{"id":"CVE-2023-4883","title":"Multiple vulnerabilities in Open5GS","description":" Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an attacker to interrupt the correct operation of the service by sending a specially crafted json string to the VNF (Virtual Network Function), and triggering the ogs_sbi_message_free function, which could cause a service outage.","status":"published","published":"2023-10-03T14:42:39.673Z","modified":"2024-09-19T19:56:28.473Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-763"],"updated_at":"2026-11-02T14:35:30.474787Z"}],"euvd":[{"id":"EUVD-2023-54722","description":" Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an attacker to interrupt the correct operation of the service by sending a specially crafted json string to the VNF (Virtual Network Function), and triggering the ogs_sbi_message_free function, which could cause a service outage.","status":"published","published":"2023-10-03T14:42:39Z","modified":"2024-09-19T19:56:28Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:18.270703Z"}],"ghsa":[{"id":"GHSA-2cqc-g5jj-27mw","title":" Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an...","description":" Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an attacker to interrupt the correct operation of the service by sending a specially crafted json string to the VNF (Virtual Network Function), and triggering the ogs_sbi_message_free function, which could cause a service outage.","status":"published","published":"2023-10-03T15:30:34Z","modified":"2024-04-04T08:10:47Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-763"],"updated_at":"2026-11-02T14:56:57.02573Z"}],"nvd":[{"id":"CVE-2023-4883","description":" Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an attacker to interrupt the correct operation of the service by sending a specially crafted json string to the VNF (Virtual Network Function), and triggering the ogs_sbi_message_free function, which could cause a service outage.","status":"published","published":"2023-10-03T15:15:40.52Z","modified":"2026-06-17T06:38:49.217Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-763"],"updated_at":"2026-11-02T14:08:35.022405Z"}]}}